CN100357793C - Liquid crystal display device - Google Patents
Liquid crystal display device Download PDFInfo
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- CN100357793C CN100357793C CNB2003101157488A CN200310115748A CN100357793C CN 100357793 C CN100357793 C CN 100357793C CN B2003101157488 A CNB2003101157488 A CN B2003101157488A CN 200310115748 A CN200310115748 A CN 200310115748A CN 100357793 C CN100357793 C CN 100357793C
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133707—Structures for producing distorted electric fields, e.g. bumps, protrusions, recesses, slits in pixel electrodes
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134336—Matrix
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- Liquid Crystal (AREA)
Abstract
A liquid crystal display device comprising electrodes of the one side formed on the pixel regions on the surface of one of the substrates arranged facing each other with the liquid crystals interposed therebetween and on the side of the liquid crystals, and electrodes of the other side formed on at least the pixel regions on the surface of the other substrate on the side of the liquid crystals, wherein each electrode of the one side has a shape of a plurality of circular patterns or patterns close to circles that are arranged in contact with each other, whereby a region where the electrode of the one side is not formed is surrounded by the circular patterns or patterns close to circles of an odd number of three or more, and projections are formed on the surface of the other substrate on the side of the liquid crystals at portions facing nearly the centers of the circular patterns or the patterns close to circles.
Description
Technical field
The present invention relates to liquid crystal indicator.
Background technology
In various liquid crystal indicators, known a kind of like this liquid crystal indicator: in each right substrate of interval liquid crystal phase, in each pixel region of the liquid crystal side of a substrate, form the pixel electrode that constitutes by transparency conducting layer, in each pixel region of the liquid crystal side of another substrate, form the opposite electrode that constitutes by transparency conducting layer publicly, utilize the electric field that takes place between these each electrodes, control the light transmission of this liquid crystal, this liquid crystal molecule is not vertical orientated with respect to substrate when having electric field.
And, in the liquid crystal indicator that constitutes by such structure, also know a kind of like this liquid crystal indicator: obtain big field angle characteristic in order to make it, pixel electrodes is formed as the electrode that is divided into a plurality of zones (hereinafter referred to as sub-pixel), on the face of the liquid crystal side of the substrate that is formed with above-mentioned opposite electrode one side, projection (for example opening 2000-47217 communique (patent documentation 1) with reference to the spy) is set on the position relative with the center of each sub-pixel in addition.
Because when produce electric field between pixel electrode and opposite electrode, it is the state that topple over radially at the center that each liquid crystal molecule on the sub-pixel presents with above-mentioned projection, therefore can shine observer's one side by the light of this liquid crystal is interior on a large scale.
; the liquid crystal indicator of Gou Chenging is owing to be to be formed by the set that pixel electrode is divided into a plurality of sub-pixels like this; so at a sub-pixel be configured between another sub-pixel around this sub-pixel, can not form the zone of electrode inevitably.
This fact means in a pixel region and to produce the zone that can not drive liquid crystal, has produced the limit in the raising of so-called aperture ratio of pixels.
Summary of the invention
The present invention finishes with regard to being based on such situation, and its purpose is to provide a kind of liquid crystal indicator that improves aperture ratio of pixels.
In the disclosed invention of the application, illustrate the summary of representational invention as follows simply.
The liquid crystal indicator of a kind of form of implementation of the application, for example form a side electrode in to the pixel region on the face of liquid crystal side of a substrate in each substrate of configuration in the interval liquid crystal phase, form the opposing party's electrode in the pixel region at least on the face of the liquid crystal side of another substrate
An above-mentioned side's electrode is a plurality of circular patterns or is similar to the circular figure shape that ground connection is configured that is electrically connected mutually, make encirclement do not form a described side electrode the zone above-mentioned a plurality of circular patterns or be similar to circular figure figure and constitute by three,
On the face of the liquid crystal side of above-mentioned another substrate with above-mentioned each circular pattern or be similar on the relative part of the approximate centre of circular figure and be formed with the projection body.
If adopt the liquid crystal indicator of the application's another kind of form of implementation, then for example form pixel electrode in to the pixel region on the face of liquid crystal side of a substrate in each substrate of configuration in the interval liquid crystal phase, form opposite electrode in the pixel region at least on the face of the liquid crystal side of another substrate
Pixel electrodes is made of such figure: a plurality of circular patterns or be similar to circular figure along a graphical set that direction is adjacent, adjacent with the direction of this direction quadrature, the half pitch ground configuration of staggering of each figure in each figure in graphical set and another graphical set that is adjacent, these each figures are electrically connected mutually with its profile portion
On the face of the liquid crystal side of above-mentioned another substrate with above-mentioned each circular pattern or be similar on the relative part of the approximate centre of circular figure and be formed with the projection body.
If adopt the liquid crystal indicator of the application's another kind of form of implementation, then form a side electrode on to a substrate in each substrate of configuration in the interval liquid crystal phase, on another substrate, form the opposing party's electrode,
An above-mentioned side's electrode is a plurality of circular patterns or is similar to the circular figure shape that ground connection is configured that is electrically connected,
On above-mentioned another substrate, with above-mentioned each circular pattern or be similar on the relative part of circular figure and be formed with the projection body.
In addition, the liquid crystal indicator of these forms of implementation, it also can be following form of implementation, be that an above-mentioned substrate is on the face of its liquid crystal side, many signal lines that formation is set up in parallel and many drain signal line of intersecting and being set up in parallel with these signal lines, each zone that will be surrounded by these signal lines and drain signal line is as pixel region
Pixel electrodes with disposing based on carrying out the switch driven element from the sweep signal of signal line, is supplied with picture signal from drain signal line by this on-off element in this pixel region,
Each circular pattern of pixel electrodes or be similar in the circular figure, to or be similar to circular figure with the approaching circular pattern of drain signal line or signal line and be out of shape, so as with the approaching part of above-mentioned drain signal line or signal line on have along the limit on the limit of this drain signal line or signal line.
In addition, the present invention is not limited to above form of implementation, can carry out various changes in the scope that does not break away from technological thought of the present invention.
Description of drawings
Fig. 1 is the structural drawing of an embodiment of the pixel of expression liquid crystal indicator of the present invention.
Fig. 2 is the planimetric map of an embodiment of the general structure of expression liquid crystal indicator of the present invention.
Fig. 3 is the planimetric map that the position of the pixel electrode (sub-pixel) of pixel of expression liquid crystal indicator of the present invention and projection body concerns.
Fig. 4 is the structural drawing of another embodiment of the pixel of expression liquid crystal indicator of the present invention.
Fig. 5 is the structural drawing of another embodiment of the pixel of expression liquid crystal indicator of the present invention.
Fig. 6 is the structural drawing of another embodiment of the pixel of expression liquid crystal indicator of the present invention.
Fig. 7 is the structural drawing of another embodiment of the pixel of expression liquid crystal indicator of the present invention.
Fig. 8 is the structural drawing of another embodiment of the pixel of expression liquid crystal indicator of the present invention.
Fig. 9 is the structural drawing of another embodiment of the pixel of expression liquid crystal indicator of the present invention.
Figure 10 is the structural drawing of another embodiment of the pixel of expression liquid crystal indicator of the present invention.
Figure 11 is the structural drawing of another embodiment of pixel electrode of the pixel of expression liquid crystal indicator of the present invention.
Figure 12 is the structural drawing of another embodiment of pixel electrode of the pixel of expression liquid crystal indicator of the present invention.
Embodiment
Below, the embodiment of use description of drawings liquid crystal indicator of the present invention.
Embodiment 1
" general structure "
Fig. 2 is the planimetric map of an embodiment of expression liquid crystal indicator of the present invention.
Among this figure, at first, the interval liquid crystal phase is arranged mutually to a pair of transparency carrier SUB1, the SUB2 of configuration, this sealing material for liquid crystal surrounds and is enclosed between a transparency carrier SUB1 and another transparency carrier SUB2.In addition, the sealing material has transparency carrier SUB1 and the fixing effect of transparency carrier SUB2 of making.
On the face of the liquid crystal side of an above-mentioned transparency carrier SUB1 who surrounds with encapsulant, the drain signal line DL that forms the signal line GL that extends, be set up in parallel along the y direction along its x direction and extend, be set up in parallel along the x direction along its y direction.
Constitute pixel region by each signal line GL and each drain signal line DL area surrounded, and the rectangular aggregate of these each pixel regions constitutes liquid crystal display part AR.
In each pixel region, be formed with according to the thin film transistor (TFT) TFT that works from the sweep signal of the signal line GL of one side and by this thin film transistor (TFT) TFT and supply with pixel electrode PX from the picture signal of the drain signal line DL of a side.
This pixel electrode PX and the face of the liquid crystal side of another transparency carrier SUB2 between the opposite electrode CT (not shown) that each pixel region forms publicly, produce electric field, utilize the light transmission of this electric field controls liquid crystal.
In addition, pixel electrode PX and and be used to drive between another signal line GL of signal line GL disposed adjacent of thin film transistor (TFT) TFT of this pixel region, form additional capacitive element Cadd.This additional capacitive element Cadd goes up and is provided with for the picture signal that will supply with pixel electrode PX remains on this pixel electrode PX.
In addition, the electric conductor CL that forms on four angles of above-mentioned opposite electrode CT by for example encapsulant SL is drawn out on the face of transparency carrier SUB1 side.
An above-mentioned signal line GL end separately surpasses above-mentioned encapsulant SL ground and extends, and its elongated end constitutes the terminal of the output terminal that is connected to scan signal drive circuit V.In addition, the input of the input end of said scanning signals driving circuit V is from the signal of the tellite (not shown) of the outside that is configured in display panels.
Scan signal drive circuit V is made of a plurality of semiconductor devices, and many adjacent mutually signal line GL are in conjunction with in groups, to semiconductor devices of each distribution of these groups.
Similarly, an above-mentioned drain signal line DL end separately surpasses above-mentioned encapsulant SL ground and extends, and its elongated end constitutes the terminal of the output terminal that is connected to picture signal driving circuit He.In addition, the input of the input end of above-mentioned picture signal driving circuit He is from the signal of the tellite (not shown) of the outside that is configured in display panels.
These picture signal driving circuits He also is made of a plurality of semiconductor devices, and many adjacent mutually drain signal line DL are in conjunction with in groups, to semiconductor devices of each distribution of these groups.
According to sweep signal, select among above-mentioned each signal line GL successively from scan signal drive circuit V.
In addition, by picture signal driving circuit He, as one man picture signal is supplied with each bar among above-mentioned each drain signal line DL with the selection sequential of above-mentioned signal line GL.
In addition, in the above-described embodiment, though scan signal drive circuit V and picture signal driving circuit He expression be mounted in semiconductor devices on the transparency carrier SUB1, but also can be the semiconductor devices of for example crossing over the so-called loading regime that connects between transparency carrier SUB1 and the tellite, in addition, under the situation of semiconductor layer of above-mentioned thin film transistor (TFT) TFT, also can on transparency carrier SUB1 face, form the semiconductor element that constitutes by above-mentioned polysilicon with wiring layer by polysilicon (p-Si) formation.
" dot structure "
Fig. 1 is the structural drawing of an embodiment of the structure of the above-mentioned pixel of expression.Figure 1A represents the planimetric map of the liquid crystal side of transparency carrier SUB1, and Figure 1B represents the planimetric map of the liquid crystal side of transparency carrier SUB2, and Fig. 1 C represents along the sectional view of the c-c line among Figure 1A.In addition, the figure that sees from observer's one side of the plan representation shown in Figure 1B.
In Figure 1A, at first, on the face of the liquid crystal side of transparency carrier SUB1, form a pair of signal line GL that extends, is set up in parallel along the y direction along the x direction.
These signal lines GL surrounds rectangular zone with the described a pair of drain signal line DL in back, constitutes this zone as pixel region.
On the surface of the transparency carrier SUB1 that has formed signal line GL like this, form and be covered with this signal line GL, for example the dielectric film GI that constitutes by SiN.
This dielectric film GI has the function as the interlayer dielectric of above-mentioned signal line GL in the back in the formation zone of described drain signal line DL, have function in the formation zone of described in the back thin film transistor (TFT) TFT, have function in the formation zone of described in the back capacity cell Cadd as its dielectric film as its gate insulating film.
And, on the surface of this dielectric film GI, form the semiconductor layer AS that for example constitutes overlappingly by amorphous Si with the extension of above-mentioned signal line GL.
This semiconductor layer AS is thin film transistor (TFT) TFT itself, by form drain electrode SD1 and source S D2 on it, can constitute the above-mentioned extension of the signal line GL MIS transistor npn npn as reciprocal cross mistake (stagger) structure of grid.
Here, above-mentioned drain electrode SD1 and source S D2 form when forming drain signal line DL simultaneously.
That is, form the drain signal line DL that extends, is set up in parallel along the x direction along the y direction, its part extend to above-mentioned semiconductor layer AS above, form drain electrode SD1, in addition, leave the channel length part of thin film transistor (TFT) TFT, formation source S D2 with this drain electrode SD1.
This source S D2 extends to from semiconductor layer surface on the upper surface of dielectric film of pixel region one side, contacts with the described pixel electrode PX in back by through hole TH.
On the surface of the transparency carrier SUB1 that has formed thin film transistor (TFT) TFT, drain signal line DL, drain electrode SD1 and source S D2 like this, for example form the diaphragm PAS that constitutes by resin etc.This diaphragm PAS is a layer of avoiding above-mentioned thin film transistor (TFT) TFT and liquid crystal directly to contact, is used to prevent the deterioration in characteristics of this thin film transistor (TFT) TFT.
On the upper surface of diaphragm, form pixel electrode PX.This pixel electrode PX is by for example ITO (Indium Tin Oxide), ITZO (Indium Tin Zinc Oxide), IZO (IndiumZinc Oxide), SnO
2(tin oxide), In
2O
3The conducting film of the light transmission of formations such as (indium oxides) constitutes.
This pixel electrode PX is made of the aggregate of the electrode (sub-pixel) that a plurality of for example circular figures constitute.
That is, be such shape: dispose the sub-pixel of a plurality of circles, constitute this pixel electrode PX, being shaped as of these each sub-pixels, other sub-pixels that utilize the narrow conducting film that is integrally formed light transmission of width to be adjacent are electrically connected mutually.
In other words, form this pixel electrode PX like this: will in most of zone of pixel region, be the conducting film of the light transmission that plane earth forms, also being to be arranged in the shape that rectangular a plurality of rhombuses (Qi Gebian be point to inboard circular-arc) have carried out perforate.
Here, between two sub-pixels of each sub-pixel in another adjacent sub-pixel group of each the sub-pixel group that is set up in parallel along the y direction.Thus, surround the regional non-PX that does not form pixel electrode PX and the above-mentioned sub-pixel that disposes is made up of 3 such odd numbers.
In addition, for a sub-pixel, be electrically connected mutually with another sub-pixel that is adjacent, this connection can make them be in contact with one another according to the shape of figure, also can be undertaken by thinner connector (for example connector that forms with the conductor layer of sub-pixel).
Formed under the situation of pixel electrode PX at such each sub-pixel of configuration, can be in limited area with a plurality of subpixel configuration, its result can improve aperture ratio of pixels.
This pixel electrode PX, the contact site CT of its part by forming on the part of said protection film PAS is connected electrically on the source S D2 of thin film transistor (TFT) TFT.
On the upper surface of the transparency carrier SUB1 that has formed pixel electrode PX like this, be covered with this pixel electrode PX and form alignment films ORI1.This alignment films ORI1 is the film that directly contacts with liquid crystal.Though under original state, do not need to make liquid crystal aligning, as required, can dispose the vertical alignment layer of the initial orientation of predesignating liquid crystal molecule or the common alignment films that rubs is orientated yet.In addition, among the embodiment afterwards, utilize alignment films to determine initial orientation, also can be not limited to this as mentioned above though putting down in writing.
On the face of the liquid crystal side of transparency carrier SUB2, at first, mark off its each pixel region and form black matrix BM like that.That is, black matrix BM is formed in the figure that has formed opening in the zone of the periphery (part that comprises cover film transistor T FT) that stays each pixel region, has improved the contrast of display degree thus, and can avoid the deterioration in characteristics of this thin film transistor (TFT) TFT.
On the surface of the transparency carrier SUB2 that has formed black matrix BM, be covered with the opening of this black matrix BM, form color filter FIL.This color filter FIL is made of for example red (R), green (G), blue (B) color filter of all kinds, form the color filter of on each the pixel region group that is set up in parallel along the y direction public landform precedent such as redness, in this pixel region group along form on x direction adjacent pixels district group successively publicly red (R) look, green (G) look, indigo plant (B) look, red (R) look ... such arrangement.
Also be covered with above-mentioned black matrix BM and color filter FIL, form alignment films ORI2, this alignment films ORI2 is the film that directly contacts with liquid crystal, determines the initial orientation of this liquid crystal molecule.
In addition, on the upper surface of above-mentioned alignment films ORI2, relatively form the projection body PRJ that constitutes by for example resin with the central part of each sub-pixel of pixel electrodes PX.Here, figure 3 illustrates the position relation of the above-mentioned projection body PRJ of each sub-pixel of pixel electrode PX of transparency carrier SUB1 side and transparency carrier SUB2 side.But projection body PRJ not necessarily must be positioned at the center of the sub-pixel of pixel electrode PX exactly, even some skews are arranged, the described effect in back is arranged also.In addition, as long as this projection body carries out projection, for example can consider different shapes such as semi-spherical shape, polygonal cone-shaped, concaveconvex shape.
Promptly, in such structure, as above-mentioned liquid crystal, use and for example have negative dielectric constant anisotropy, liquid crystal molecule is almost perpendicular to the liquid crystal of transparency carrier SUB1 ground orientation when added electric field not, when this liquid crystal molecule is parallel to substrate and topples over when applying electric field, be that topple over radially at the center with above-mentioned projection body PRJ.
Therefore, penetrate with wide-angle, can obtain so-called big field angle characteristic by the light in liquid crystal arrival observer's the eye.
If adopt the liquid crystal indicator of above explanation, then can suppress to constitute the decline of the caused aperture ratio of pixels of pixel electrode PX by the configuration of this sub-pixel by a plurality of sub-pixels.
Embodiment 2
Fig. 4 is the structural drawing of another embodiment of expression liquid crystal indicator of the present invention, is the figure corresponding to Fig. 1.
Compare with the situation of Fig. 1, its different structure is drain signal line DL.Promptly, at for example each circular pattern of the pixel electrode PX that disposes near drain signal line DL with along the y direction and in abutting connection with between other circular patterns of this circular pattern configuration, produce useless gap, with drain signal line DL this gap is imbedded, thus, this drain signal line DL forms zigzag.
In other words, pixel electrode PX constitutes makes a plurality of circular patterns contact with each other the shape of configuration, forms drain signal line DL along its envelope roughly.
By means of above-mentioned formation, eliminate the useless zone in the pixel region, therefore, can further improve aperture ratio of pixels.
In addition, in the case, also can make color filter FIL form the zigzag identical with drain signal line DL.Reason is to improve aperture opening ratio.In addition, based on same reason, also can make black matrix BM form the zigzag identical with drain signal line DL.
Fig. 5 is the structural drawing of another embodiment of expression liquid crystal indicator of the present invention, is the figure corresponding to Fig. 1.
Compare with the situation of Fig. 1, its different structure is the figure of pixel electrode PX.That is, a plurality of figures (sub-pixel) that contact with each other configuration be sexangle or with its approximate figure.
Why like this, be because: sexangle is to be similar to circular figure, even under the situation of such formation, each liquid crystal molecule also can be toppled over from the center of this figure and move radially.Therefore, being not limited to sexangle, also can constituting the above polygon of pentagon, in addition, also can be that its angle has been carried out the figure that rounding is handled.
In addition, in the case, preferably, the shape of the projection body PRJ of transparency carrier SUB2 side also forms similarly to above-mentioned figure.But be not limited thereto.
Fig. 6 is the structural drawing of another embodiment of expression liquid crystal indicator of the present invention, is the figure corresponding to Fig. 1.
Compare with the situation of Fig. 1, its different structure is, shown in Fig. 6 C, the periphery of the pixel electrode PX that forms on the upper surface of diaphragm PAS forms the material layer PSV that constitutes with said protection film PAS identical materials by for example.That is,, make the surface of this material layer PSV and the surface of pixel electrode PX be roughly same plane by means of the formation of this material layer PSV.
On the surface of the transparency carrier SUB1 that has formed pixel electrode PX, also cover this pixel electrode PX and form alignment films ORI1.Therefore, can avoid the deterioration of the reliability of this alignment films ORI1 in the step of this pixel electrode PX.
Pixel electrode PX forms above-mentioned shape, and the peripheral length of its profile portion is bigger, so, can eliminate the unfavorable condition in this peripheral step more reliably.
Embodiment 5
Fig. 7 is the structural drawing of another embodiment of expression liquid crystal indicator of the present invention, is the figure corresponding to Fig. 1.
Compare with the situation of Fig. 1, its different structure is signal line GL.Under the situation of this embodiment, this signal line GL forms linearity.
By above-mentioned, to compare with the situation of Fig. 1, aperture ratio of pixels is smaller, still, by means of making a plurality of for example circular figure structures adjacent to each other, can obtain enough aperture opening ratios.
Embodiment 6
Fig. 8 is the structural drawing of another embodiment of expression liquid crystal indicator of the present invention, is the figure corresponding to Fig. 4.
Compare with the situation of Fig. 4, its different structure is signal line GL.Under the situation of this embodiment, this signal line GL forms linearity.
Embodiment 7
Fig. 9 is the structural drawing of another embodiment of expression liquid crystal indicator of the present invention, is the figure corresponding to Fig. 5.
Compare with the situation of Fig. 5, different structures is signal line GL, and under the situation of this embodiment, this signal line GL forms linearity.
Embodiment 8
Figure 10 is the structural drawing of another embodiment of expression liquid crystal indicator of the present invention, is the figure corresponding to Fig. 6.
Compare with the situation of Fig. 6, different structures is signal line GL.Under the situation of this embodiment, this signal line GL forms linearity.
And the periphery of the pixel electrode PX that forms on the upper surface of diaphragm PAS forms the material layer PSV that constitutes with said protection film PAS identical materials by for example.By means of the formation of this material layer PSV, make the surface of this material layer PSV and the surface of pixel electrode PX be roughly same plane.
Embodiment 9
Figure 11 is the structural drawing of another embodiment of expression liquid crystal indicator of the present invention, is the figure of the figure of remarked pixel electrode.
Certainly, divided each figure is not limited to circle or other point symmetry figure, as shown in figure 11, also can be, in its part, for example has straight line portion in the part near drain signal line DL or signal line GL.
Make each circular pattern of this pixel electrode PX or be similar to the circular pattern of drain signal line DL in the circular figure, close or signal line GL or be similar to circular figure and deform, so that on part, have along the limit on the limit of this drain signal line DL or signal line GL near this drain signal line DL or signal line GL, whereby, can improve aperture ratio of pixels.
Embodiment 10
Figure 12 is the structural drawing of another embodiment of expression liquid crystal indicator of the present invention, is the figure of the figure of remarked pixel electrode.
Among this figure, be set up in parallel a plurality of graphical set that three row are set up in parallel along the y direction along the x direction.And, in each row graphical set, the shape difference of each figure.
In addition, as the shape of above-mentioned pixel electrode PX, each sub-pixel that surrounds the zone that does not form electrode is three.But, be not limited to this.By constituting the odd number sub-pixel more than or equal to three, this zone becomes narrower, can improve aperture ratio of pixels.
In addition, in each above-mentioned embodiment, on pixel electrode PX, form a plurality of sub-pixels.But, also can be the structure that on opposite electrode, forms a plurality of sub-pixels.In the case, pixel electrode PX constitutes in the roughly whole zone of pixel region and forms electrode, must face above it on, on the part relative, form projection body PRJ with the center of each sub-pixel of this opposite electrode.
When liquid crystal is observed, pixel electrode PX and opposite electrode CT are not distinguished especially.Because even one be replaced by another person, its situation too.
From above explanation as can be known, according to liquid crystal indicator of the present invention, can improve its aperture ratio of pixels.
Claims (9)
1. liquid crystal indicator is characterized in that:
Form a side electrode in to the pixel region on the face of liquid crystal side of a substrate in each substrate of configuration in the interval liquid crystal phase, form the opposing party's electrode in the pixel region at least on the face of the liquid crystal side of another substrate,
An above-mentioned side's electrode is a plurality of circular patterns or is similar to the circular figure shape that ground connection is configured that is electrically connected mutually, make encirclement do not form a described side electrode the zone above-mentioned a plurality of circular patterns or be similar to circular figure and constitute by three,
On the face of the liquid crystal side of above-mentioned another substrate with above-mentioned each circular pattern or be similar on the relative part of the approximate centre of circular figure and be formed with the projection body.
2. liquid crystal indicator according to claim 1 is characterized in that:
An above-mentioned side's electrode is a pixel electrode, and above-mentioned the opposing party's electrode is an opposite electrode.
3. liquid crystal indicator according to claim 2 is characterized in that:
An above-mentioned substrate forms many signal lines being set up in parallel and many drain signal line of intersecting and being set up in parallel with these signal lines on the face of its liquid crystal side, will be by each zone of these signal lines and drain signal line encirclement as pixel region,
Pixel electrodes with disposing based on carrying out the switch driven element from the sweep signal of signal line, is supplied with picture signal from drain signal line by this on-off element in this pixel region,
Each circular pattern of pixel electrodes or be similar in the circular figure, to or be similar to circular figure with the approaching circular pattern of drain signal line or signal line and be out of shape, so as with the approaching part of above-mentioned drain signal line or signal line on have along the limit on the limit of this drain signal line or signal line.
4. liquid crystal indicator according to claim 1 is characterized in that:
The above-mentioned figure that is similar to circle is made of pentagonal at least polygon.
5. liquid crystal indicator according to claim 4 is characterized in that:
Above-mentioned polygonal angle has fillet.
6. liquid crystal indicator is characterized in that:
Form pixel electrode in the interval liquid crystal phase in to the pixel region on the face of liquid crystal side of a substrate in each substrate of configuration, form opposite electrode in the pixel region at least on the face of the liquid crystal side of another substrate,
Pixel electrodes is made of such figure: a plurality of circular patterns or be similar to circular figure along a graphical set that direction is adjacent, adjacent with the direction of this direction quadrature, the half pitch ground configuration of staggering of each figure in each figure in graphical set and another graphical set that is adjacent, these each figures are electrically connected mutually with its profile portion
On the face of the liquid crystal side of above-mentioned another substrate with above-mentioned each circular pattern or be similar on the relative part of the approximate centre of circular figure and be formed with the projection body.
7. liquid crystal indicator according to claim 6 is characterized in that:
The above-mentioned figure that is similar to circle is made of pentagonal at least polygon.
8. liquid crystal indicator according to claim 7 is characterized in that:
Above-mentioned polygonal angle has fillet.
9. liquid crystal indicator according to claim 6 is characterized in that:
An above-mentioned substrate forms many signal lines being set up in parallel and many drain signal line of intersecting and being set up in parallel with these signal lines on the face of its liquid crystal side, will be by each zone of these signal lines and drain signal line encirclement as pixel region,
Pixel electrodes with disposing based on carrying out the switch driven element from the sweep signal of signal line, is supplied with picture signal from drain signal line by this on-off element in this pixel region,
Each circular pattern of pixel electrodes or be similar in the circular figure, to or be similar to circular figure with the approaching circular pattern of drain signal line or signal line and be out of shape, so as with the approaching part of above-mentioned drain signal line or signal line on have along the limit on the limit of this drain signal line or signal line.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002345728A JP2004177788A (en) | 2002-11-28 | 2002-11-28 | Liquid crystal display |
| JP345728/2002 | 2002-11-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1504796A CN1504796A (en) | 2004-06-16 |
| CN100357793C true CN100357793C (en) | 2007-12-26 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101157488A Expired - Fee Related CN100357793C (en) | 2002-11-28 | 2003-11-28 | Liquid crystal display device |
Country Status (3)
| Country | Link |
|---|---|
| US (2) | US7212271B2 (en) |
| JP (1) | JP2004177788A (en) |
| CN (1) | CN100357793C (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4165337B2 (en) * | 2003-08-18 | 2008-10-15 | セイコーエプソン株式会社 | Liquid crystal display device and electronic device |
| KR101309139B1 (en) * | 2003-12-29 | 2013-09-17 | 엘지디스플레이 주식회사 | array substrate and liquid crystal display device including the same |
| US20060033853A1 (en) * | 2004-08-13 | 2006-02-16 | Jae-Young Lee | Array substrate, method of manufacturing the same, color filter substrate and display device |
| JP4399337B2 (en) * | 2004-09-13 | 2010-01-13 | 株式会社フューチャービジョン | Substrate having planar pattern and display device using the same |
| JP2006126788A (en) * | 2004-09-29 | 2006-05-18 | Seiko Epson Corp | Liquid crystal device and electronic apparatus |
| JP4600076B2 (en) * | 2005-02-18 | 2010-12-15 | エプソンイメージングデバイス株式会社 | Liquid crystal device and electronic device |
| CN101278230B (en) * | 2005-09-30 | 2010-11-03 | 夏普株式会社 | Liquid crystal display and method for manufacturing same |
| KR100668140B1 (en) * | 2005-11-11 | 2007-01-16 | 비오이 하이디스 테크놀로지 주식회사 | Vertical alignment mode liquid crystal display |
| KR20070087395A (en) * | 2006-02-23 | 2007-08-28 | 삼성전자주식회사 | Display panel |
| KR101274025B1 (en) * | 2006-05-18 | 2013-06-12 | 삼성디스플레이 주식회사 | Display panel |
| US20080013025A1 (en) * | 2006-07-11 | 2008-01-17 | Chunghwa Picture Tubes, Ltd. | Multi-domain horizontal alignment liquid crystal display panel |
| EP2163942A4 (en) * | 2007-07-02 | 2011-01-19 | Sharp Kk | Liquid crystal display device |
| JP2013105031A (en) * | 2011-11-14 | 2013-05-30 | Hosiden Corp | Liquid crystal display device |
| CN110828523B (en) * | 2019-11-19 | 2023-10-17 | 京东方科技集团股份有限公司 | Array substrate, manufacturing method thereof and display panel |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5311337A (en) * | 1992-09-23 | 1994-05-10 | Honeywell Inc. | Color mosaic matrix display having expanded or reduced hexagonal dot pattern |
| CN1246632A (en) * | 1998-07-24 | 2000-03-08 | 夏普公司 | Liquid crystal display device and manufacturing method thereof |
| CN1359025A (en) * | 2000-08-11 | 2002-07-17 | 夏普公司 | LCD device |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970000359B1 (en) * | 1991-09-26 | 1997-01-08 | 가부시기가이샤 도오시바 | Liquid crystal display device |
| US6141124A (en) * | 1997-10-23 | 2000-10-31 | Victor Company Of Japan, Ltd. | Color filter and color picture display device using the same |
| US6504592B1 (en) * | 1999-06-16 | 2003-01-07 | Nec Corporation | Liquid crystal display and method of manufacturing the same and method of driving the same |
| JP3712637B2 (en) * | 2000-08-11 | 2005-11-02 | シャープ株式会社 | Liquid crystal display device and defect correcting method thereof |
| DE10040274A1 (en) * | 2000-08-14 | 2002-03-07 | Braun Gmbh | liquid-crystal display |
| JP4651791B2 (en) * | 2000-08-29 | 2011-03-16 | Ｎｅｃ液晶テクノロジー株式会社 | Reflective liquid crystal display device, manufacturing method thereof, and driving method thereof |
| JP3601788B2 (en) * | 2000-10-31 | 2004-12-15 | シャープ株式会社 | Liquid crystal display |
| JP2002229046A (en) | 2001-01-30 | 2002-08-14 | Hitachi Ltd | Liquid crystal display |
| JP5067684B2 (en) * | 2001-06-14 | 2012-11-07 | Ｎｌｔテクノロジー株式会社 | Liquid crystal display device and manufacturing method thereof |
| JP3656103B2 (en) * | 2001-09-19 | 2005-06-08 | 国立大学法人富山大学 | Liquid crystal display element |
-
2002
- 2002-11-28 JP JP2002345728A patent/JP2004177788A/en active Pending
-
2003
- 2003-11-25 US US10/720,307 patent/US7212271B2/en not_active Expired - Fee Related
- 2003-11-28 CN CNB2003101157488A patent/CN100357793C/en not_active Expired - Fee Related
-
2007
- 2007-04-19 US US11/785,707 patent/US7522246B2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5311337A (en) * | 1992-09-23 | 1994-05-10 | Honeywell Inc. | Color mosaic matrix display having expanded or reduced hexagonal dot pattern |
| CN1246632A (en) * | 1998-07-24 | 2000-03-08 | 夏普公司 | Liquid crystal display device and manufacturing method thereof |
| CN1359025A (en) * | 2000-08-11 | 2002-07-17 | 夏普公司 | LCD device |
Also Published As
| Publication number | Publication date |
|---|---|
| US20070195253A1 (en) | 2007-08-23 |
| JP2004177788A (en) | 2004-06-24 |
| US7522246B2 (en) | 2009-04-21 |
| US7212271B2 (en) | 2007-05-01 |
| US20040141133A1 (en) | 2004-07-22 |
| CN1504796A (en) | 2004-06-16 |
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